Barn Fern vs Polynesian rat

Asplenium haughtonii compared with Rattus exulans

Key Differences

• Barn Fern is Critically Endangered while Polynesian rat is Least Concern.

Taxonomic Classification

Rank	Barn Fern	Polynesian rat
Kingdom	Plantae (Plants)	Animalia (Animals)
Phylum	Tracheophyta	Chordata (Chordates)
Class	Polypodiopsida (Polypodiopsida)	Mammalia (Mammals)
Order	Polypodiales (Polypodiales)	Rodentia (Rodents)
Family	Aspleniaceae	Muridae (Mice & Rats)
Genus	Asplenium	Rattus
Species	Asplenium haughtonii	Rattus exulans

Conservation Status

Barn Fern

CR — Critically Endangered

Polynesian rat

LC — Least Concern

Physical Characteristics

Attribute	Barn Fern	Polynesian rat
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Barn Fern

Habitat

Typically found in moist, shaded forest floors and tropical canopies.

Polynesian rat

Habitat

Found across multiple habitat types including tropical and subtropical moist broadleaf forests, tropical and subtropical dry broadleaf forests, and tropical and subtropical coniferous forests, among 4 distinct biome types spanning the Australasia and Indomalayan realms. Populations are also found in montane and highland environments at higher elevations.

Range

Widely distributed across Asia (6 countries), Europe (United Kingdom), North America (United States), Oceania and the Pacific (11 countries), and South America (Chile).

Barn Fern

The Barn Fern (Asplenium haughtonii) is a species in the genus Asplenium. It is currently classified as Critically Endangered on the IUCN Red List. Typically found in moist, shaded forest floors and tropical canopies.